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Progression of Doppler abnormalities in intrauterine growth restriction.
Turan OM, Turan S, Gungor S, Berg C, Moyano D, Gembruch U, Nicolaides KH, Harman CR, Baschat AA.
Ultrasound Obstet Gynecol 2008;32:160-7. -
Assessment of umbilical arterial and venous flow using color Doppler.
Lees C, Albaiges G, Deane C, Parra M, Nicolaides KH.
Ultrasound Obstet Gynecol 1999;14:250-5.